Joern gave an over view of the tools
Force on the parts during the cure is via a spring which should maintain the force for the 2 years, 1000 modules
Corrado presented a few slides on the design
Make less parts to reduce costs
Remove s/s green part and make from a single piece and use inserts instead of coating
Simplification of shapes
Can you remove the green part adjustment?
Three posts to move spring loaded part on go through three different parts with accurately machined holes - can we reduce to two holes?
Make an insert for the hybrid side machined face.
Liam
Flatness surface tolerance very high
Vertical guide hole tolerances very high.
Daniel & Mark
Very high tolerances.
Suggested a change for 0.3m hole design.
Grinding of surfaces R4 (4um)
Breakdown of man hours given
Will require CMM on the parts as made to check tolerances.
Eric Vigeolas
Protolabs company permit to have a fast estimation of the part cost with regards to part complexities and material (withing 10 min to get a cost (automatically made). It can permit you to estimate the part
Neal
Could we use a bondline control in the glue - might have to add something ourself - glass dots etc
Will not cause stress concentration.
Eric
Alternative use a spherical mount to guarantee parallel parts
Can achieve 10% variation in glue thickness.
Fabian and Wolfgang
Similar comments that others have raised
Will post to agenda
Abhishek
Company 1: Quote 13kCHF reduces to 8kCHF for 20 off
Company 2: Quote 22kCHF reduces to 10kCHF for 20 off
Small parts cost 8kCHF!
Corrado
Had issues in ALICE with microspheres in glue
Plan:
Build the tool that we have and test it to present at the FDR
Look at ways to reduce the costs after the first prototype is made and tested
In parallel look at bondline control method using the RD53A tooling as a back-up solution